Home / 66,209.29-91,367.72-35,995.36

Finding the Fourth Proportional to 66,209.29, 91,367.72 and 35,995.36

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Solution

The fourth proportional to 66,209.29, 91,367.72 and 35,995.36 is: 49,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.29 : 91,367.72 = 35,995.36 : x
  2. Step 2: Convert to fraction form
    66,209.29/91,367.72 = 35,995.36/x
  3. Step 3: Cross multiply
    66,209.29x = 91,367.72 × 35,995.36
  4. Step 4: Simplify right side
    66,209.29x = 3,288,813,973.78
  5. Step 5: Solve for x
    x = 3,288,813,973.78/66,209.29
  6. Step 6: Final answer
    x = 49,673.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.